A078452 a(1)=1, a(n) = ceiling(n/a(a(a(n-1)))).

1, 2, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 6, 10, 7, 11, 8, 12, 8, 13, 7, 14, 7, 15, 8, 16, 8, 17, 7, 18, 12, 13, 10, 13, 10, 14, 11, 15, 11, 15, 12, 16, 12, 17, 10, 17, 11, 18, 18, 19, 12, 19, 12, 20, 15, 16, 16, 16, 16, 17, 14, 17, 14, 18, 24, 18, 24, 19, 15, 19, 16, 20, 20, 20

Offset

1,2

Links

Table of n, a(n) for n=1..79.

Crossrefs

Sequence in context: A102605 A112995 A368887 * A263997 A135636 A025795

Adjacent sequences: A078449 A078450 A078451 * A078453 A078454 A078455

Keyword

nonn

Author

Benoit Cloitre, Dec 31 2002

Status

approved